Public engineering firm directory

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120 Degreez

Los Angeles, CA

Redefining Technical Excellence

Website1 officeUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Electrical EngineeringService: Plumbing EngineeringIndustry: CommercialIndustry: HospitalityType: MEP+7 more

A3 Engineering

Los Angeles, CA

Welcome to a whole new level of MEP commitment to your projects.

WebsitePhone1 office14 projects7 leadersUpdated Jun 2026

Project: Village School

Service: Mechanical EngineeringService: Tailored HVAC system designService: Energy modeling and analysisIndustry: CommercialIndustry: EducationType: MEP+23 more

AEi Systems, Inc.

Centennial, CO

Analytical HEAVY Lifting

WebsitePhone2 offices9 publicationsFounded 1995Size Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Worst-Case Circuit Analysis (WCCA)

Service: Worst-Case Circuit Analysis (WCCA)Service: Pre-WCCA design review and assessmentService: WCCA document reviewIndustry: ElectronicsIndustry: SpaceType: Electrical Engineering+38 more

APE Structural Engineering

San Diego, CA

California's trusted partner for safe, efficient, and beautiful structures

WebsitePhone3 officesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural ConsultationService: Visual Assessment And 3D Modeling To Evaluate FeasibilityIndustry: ResidentialIndustry: CommercialType: Structural Engineering+18 more

Budlong

Glendale, CA

Budlong is a multi-disciplinary MEP engineering firm founded in 1958 and headquartered in Glendale, California. For over 65 years, Budlong has delivered mechanical, electrical, plumbing, fire protection, technology, and related engineering design services on renovation, new construction, and expansion projects across California. With offices in Glendale, Los Angeles, Camarillo, and Fremont, Budlong serves clients in healthcare, commercial, education, hospitality, industrial, multi-family residential, and public infrastructure markets, with LEED-accredited designers on staff.

Website4 offices12 leaders1 credentialsFounded 1958Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: InnovativeService: Sustainable HVAC Design Solutions For CommercialIndustry: HealthcareIndustry: CommercialType: MEP+17 more

Burns Engineering, Inc.

Philadelphia, PA

Partners in Reliability, Resilience, Innovation, Sustainability, and Safety

Website6 offices14 projects12 leaders15 credentials5 publicationsFounded 1960

Project: Pittsburgh International Airport Terminal Modernization Program

Service: Electrical EngineeringService: Power Infrastructure RenewalService: Campus Electrical ModernizationIndustry: AviationIndustry: RailType: Aviation Engineering+52 more

C2 Robotics, Inc.

Los Angeles, CA

Concept to creation.

WebsitePhone1 office2 projects3 leadersFounded 2001Updated Jun 2026

Project: Northrop Grumman Mission Operations Tables

Service: Mobile Robotic Platform DevelopmentService: Mid-Sized Mobile PlatformsService: Tactical and Industrial SystemsIndustry: DefenseIndustry: RoboticsType: Defense Engineering+9 more

Cannon Corporation

Irvine, CA

Reliable. Responsive. Solutions.

Website6 offices4 projectsFounded 1976Updated Jun 2026

Project: Space Launch Complex Structural Upgrades, Cape Canaveral

Service: Engineering & DesignService: Structural EngineeringService: Electrical EngineeringIndustry: AerospaceIndustry: DefenseType: Civil Engineering+18 more

Capital Code Consultants

Los Angeles, CA

Fire protection and life safety engineering solutions

WebsitePhone1 office5 projects2 leaders2 credentialsFounded 2018

Project: UCLA Medical Campus Seismic Upgrades

Service: Fire Protection and Life Safety ConsultingService: Building and Fire Code ComplianceService: Fire Protection System DesignIndustry: AviationIndustry: HealthcareType: Fire Protection Engineering+14 more

Capital Engineering Consultants, Inc.

Sacramento, CA

Bring Life to Buildings

Website5 offices11 projects5 leadersFounded 1947Updated Jun 2026

Project: California State Capitol Annex Replacement

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: EducationType: MEP+24 more

Coffman Engineers

Anchorage, AK

The Right Team Matters

WebsitePhone23 offices8 projectsFounded 1982Updated Jun 2026

Project: 100 MW Hydrogen Production Plant

Service: Civil EngineeringService: Bridge EngineeringService: Land SurveyingIndustry: CommercialIndustry: RetailType: Civil Engineering+59 more

Cosentini Associates

New York, NY

Future-focused, cost-effective engineering solutions for building systems.

WebsitePhone12 offices6 projects16 leaders4 credentialsFounded 1952

Project: The Solaire

Service: MEP EngineeringService: Mechanical/HVAC EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: Mixed-UseType: MEP+24 more

Currier & Company, Inc.

Los Angeles, CA

Reliable engineering and consulting services by experienced professionals.

Website2 offices1 leadersUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Fuel Facility Design & ConstructabilityService: Aviation Fueling & Hydrant SystemsIndustry: AviationIndustry: AirportsType: Civil Engineering+37 more

Degenkolb Engineers

San Francisco, CA

Building a better future through innovative solutions

Website11 offices7 leaders1 credentialsFounded 1940Size Estimate: 250-500 employeesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: New Building DesignService: Seismic RetrofitIndustry: HealthcareIndustry: EducationType: Structural Engineering+27 more

Difftronic, LLC

Los Angeles, CA

Embedded Hardware Design Services

Website1 officeUpdated Jun 2026

Service detail: Embedded Hardware Design

Service: Embedded Hardware DesignService: Harness DesignService: Test Equipment DevelopmentIndustry: ElectronicsIndustry: TelecommunicationsType: Electrical Engineering+10 more

FISKAA Engineering

New York, NY

Providing Experience, Energy & Enthusiasm to Build Your Vision

WebsitePhone3 offices5 leadersFounded 1997Updated Jun 2026

Service detail: MEP Engineering

Service: MEP EngineeringService: Commissioning ServicesService: Sustainable EngineeringIndustry: HospitalityIndustry: CommercialType: MEP+10 more

GDI Engineering & Design

Erie, PA

Building Dreams, Crafting Realities

WebsitePhone4 officesUpdated Jun 2026

Service detail: MEP Design

Service: MEP DesignService: Mechanical DesignService: Electrical DesignIndustry: CommercialIndustry: ResidentialType: MEP+12 more

HED

Boston, MA

Because great design is more than what we do. It's who we are.

Website8 officesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Electrical EngineeringService: Mechanical & Plumbing EngineeringIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+18 more

Henderson Engineers

Lenexa, KS

Henderson Engineers is a national building systems engineering design and facility consulting firm headquartered in Lenexa, Kansas, with 15 offices across the United States. Its team of more than 1,000 engineers provides mechanical, electrical, plumbing, fire and life safety, refrigeration, telecommunications, security, acoustics, and commissioning services for retail, healthcare, commercial, grocery and distribution, sports venue, and data center markets.

Website15 offices4 leaders2 credentials2 publicationsSize Estimate: 1,000 employeesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC SystemsService: Air DistributionIndustry: CommercialIndustry: RetailType: MEP+29 more

InnoDez

Los Angeles, CA

Your One-Stop Shop for MEP and Structural Engineering

WebsitePhone8 offices5 projectsSize Estimate: 20-100 employeesUpdated Jun 2026

Project: MEP and Fire Protection for Triple Decker Multifamily Project

Service: Mechanical EngineeringService: Heating designService: Cooling designIndustry: CommercialIndustry: HealthcareType: Civil Engineering+72 more

Interface Engineering, Inc.

Portland, OR

Optimal Environments for Life

Website9 offices8 projects3 leaders3 credentialsFounded 1969Size Estimate: 220+ employees

Project: Hood River Middle School Music & Science Building

Service: Mechanical EngineeringService: Electrical EngineeringService: Plumbing DesignIndustry: EducationIndustry: HealthcareType: MEP+13 more

Lean Technology Corporation

Irvine, CA

Comprehensive aviation and airfield electrical engineering solutions

WebsitePhone5 offices1 projects1 leaders1 credentialsFounded 2003

Project: San Francisco International Airport (SFO) Airfield Infrastructure

Service: Airfield Electrical EngineeringService: Airfield Lighting DesignService: Power Distribution SystemsIndustry: AviationIndustry: AirportsType: Electrical Engineering+11 more

Loyal Link Engineering PC

Los Angeles, CA

A sustainability-focused, forward-thinking engineering consulting and commissioning practice.

Website1 office2 credentialsUpdated Jun 2026

Service detail: MEP Engineering

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: FederalType: MEP+17 more

M+R Engineering Consultants, Inc.

Fremont, CA

Mechanical Electrical Plumbing Engineers

WebsitePhone7 offices7 projectsFounded 2007Updated Jun 2026

Project: SpaceX New Sunnyvale Office

Service: Mechanical EngineeringService: Heating, Ventilation, and Air Conditioning SystemsService: Exhaust Hood WorksheetsIndustry: CommercialIndustry: RetailType: MEP+43 more